Finding the Fourth Proportional to 36,971.32, 51,022.27 and 21,872.82

Step by Step Solution

1. Step 1: Write the proportion equation
   36,971.32 : 51,022.27 = 21,872.82 : x
2. Step 2: Convert to fraction form
   36,971.32/51,022.27 = 21,872.82/x
3. Step 3: Cross multiply
   36,971.32x = 51,022.27 × 21,872.82
4. Step 4: Simplify right side
   36,971.32x = 1,116,000,927.70
5. Step 5: Solve for x
   x = 1,116,000,927.70/36,971.32
6. Step 6: Final answer
   x = 30,185.59